<template>
  <div class="users-container">
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card class="box-card">
      <!-- 搜索栏 -->
      <el-row :gutter="20">
        <!-- 搜索框 -->
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList">   
            </el-button>
          </el-input>
        </el-col>
        <!-- 添加用户按钮 -->
        <el-col :span="6">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <el-table :data="userlist" stripe border>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template v-slot="scope">
            <el-switch 
            v-model="scope.row.mg_state" 
            @change="userStateChanged(scope.row)">        
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template v-slot="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"
            @click="showEditDialog(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini"
            @click="removeById(scope.row.id)"></el-button>
            <el-tooltip effect="dark" content="分配角色" placement="top"
            :enterable="false">    
            <el-button type="warning" icon="el-icon-setting" size="mini"
            @click="setRole(scope.row)">
            </el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 页脚设置 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
     
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="35%" @close="addDialogClosed">
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="100px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="30%" @close="editalogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色的对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="30%">
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <p>
          <el-select v-model="selectRoleId" placeholder="请选择">
            <el-option
              v-for="item in setRolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id">
            </el-option>
          </el-select>
        </p>

      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveSoleIndo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data(){
    // 自定义邮箱规则
    var checkEmail = (rule,value,cb) => {
      const regEmail = /^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+/
      if(regEmail.test(value)){return cb()}
      cb(new Error('请输入合法邮箱'))
    }
    // 自定义手机号码规则
    var checkMobile = (rule,value,cb) => {
      const regMobile = /^((13[0-9])|(14[5-9])|(15([0-3]|[5-9]))|(16[6-7])|(17[1-8])|(18[0-9])|(19[1|3])|(19[5|6])|(19[8|9]))\d{8}$/
      if(regMobile.test(value)){return cb()}
      cb(new Error('请输入合法手机号'))
    }
    return{
      queryInfo:{
        query:'',
        pagenum:1,
        pagesize:2

      },
      // 用户列表
      userlist:[],
      total:100,
      // 控制添加用户的对话框的显示与隐藏
      addDialogVisible : false,
      addForm:{
        username:'',
        password:'',
        email:'',
        mobile:''
      },
      // 添加表单的验证规则对象
      addFormRules:{
        username:[
          { required: true, message: '请输入用户名称', trigger: 'blur' },
          { min: 3, max: 12, message: '长度在 3 到 12 个字符', trigger: 'blur' }
        ],
        password:[
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 16, message: '长度在 6 到 16 个字符', trigger: 'blur' }
        ],
        email:[
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur'}
        ],
        mobile:[
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur'}
        ]
      },
      // 控制修改用户的对话框的显示与隐藏
      editDialogVisible : false,
      // 查询到的用户信息对象
      editForm:{},
      // 修改表单的验证规则对象
      editFormRules:{
        email:[
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur'}
        ],
        mobile:[
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur'}
        ]
      },
      // 控制分配角色的对话框的显示与隐藏
      setRoleDialogVisible:false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      setRolesList: [],
      // 选中的角色的id
      selectRoleId:''
    }
  },
  created(){
    this.getUserList()
  },
  methods:{
    // 获取用户列表
    async getUserList(){
      const {data : res} = await this.$http.get('users',{ params: this.queryInfo})
      if(res.meta.status !==200) {return this.$message.error('获取用户列表失败！')}
      this.userlist = res.data.users
      this.total = res.data.total
    },
    handleSizeChange(NewSize){
      this.queryInfo.pagesize = NewSize
      this.getUserList()
    },
    handleCurrentChange(NewPage){
      this.queryInfo.pagenum = NewPage
      this.getUserList()
    },
    // 用户状态更新
    async userStateChanged(userInfo){
     const {data : res} = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
     if (res.meta.status !== 200) {
       userInfo.mg_state = !userInfo.mg_state
       return this.$message.error('用户状态更改失败')
     }
     return this.$message.success('用户状态更新成功')
    },
    // 初始化关闭添加对话框
    addDialogClosed(){
      this.$refs.addFormRef.resetFields()
    },
    // 添加用户信息
    addUserInfo(){
      this.$refs.addFormRef.validate(async(valid)=>{
        if(!valid) return
        const {data :res} = await this.$http.post('users',this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功！')
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    // 根据id查询修改数据
    async showEditDialog(id){
      const {data: res} = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        this.$message.error('查询失败！')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 初始化关闭修改对话框
    editalogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo(){
      this.$refs.editFormRef.validate(async(valid)=>{
        console.log(valid);
        if(!valid) return
        const {data :res} = await this.$http.put('users/'+this.editForm.id,{
          email:this.editForm.email,
          mobile:this.editForm.mobile
        })
        if (res.meta.status !== 200) {
          return this.$message.error('修改用户失败！')
        }
        this.editDialogVisible = false
        this.getUserList()
        this.$message.success('修改用户成功！')
      })
    },
    // 根据id删除用户信息
    async removeById(id){
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch((error=>error))
        if (confirmResult !== 'confirm') {
          return this.$message.info('已取消删除')
        }
        console.log(confirmResult);
        const {data: res} = await this.$http.delete('users/'+id)
        if (res.meta.status !==200) {
          return this.$message.error('删除用户失败！')
        }
        this.$message.success('删除用户成功！')
        this.getUserList()
    },
    // 展示分配角色的对话框
    async setRole(userInfo){
      this.userInfo = userInfo
      const {data: res} = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        this.$message.error('获取角色列表失败！')
      }
      this.setRolesList = res.data
     this.setRoleDialogVisible = true 
    },
    // 分配角色
    async saveSoleIndo(){
      if (!this.selectRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }
      const {data: res} = await this.$http.put(`users/${this.userInfo.id}/role`,{
        rid:this.selectRoleId
      })
      if (res.meta.status !== 200) {
        return this.$message.error('分配角色失败！')
      }
      this.$message.success('分配角色成功！')
      this.getUserList()
      this.setRoleDialogVisible=false
    }
  }

}
</script>

<style lang="less" scoped>
.users-container {
  .el-card{
    margin-top: 20px;
  }
}
</style>